Finding the Fourth Proportional to 251,962.24, 347,585.42 and 161,245.48
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Solution
The fourth proportional to 251,962.24, 347,585.42 and 161,245.48 is: 222,440.39
Step by Step Solution
- Step 1: Write the proportion equation
251,962.24 : 347,585.42 = 161,245.48 : x - Step 2: Convert to fraction form
251,962.24/347,585.42 = 161,245.48/x - Step 3: Cross multiply
251,962.24x = 347,585.42 × 161,245.48 - Step 4: Simplify right side
251,962.24x = 56,046,577,888.90 - Step 5: Solve for x
x = 56,046,577,888.90/251,962.24 - Step 6: Final answer
x = 222,440.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.